Julia is making pasta necklaces and wreaths. she uses n noodles in a necklace and 3/5 that number of noodles in wreaths. which expression shows the number of noodles julia uses if she makes 9 necklaces and 20 wreaths?

the expression that shows the number of noodles Julia uses to make 9 necklaces and 20 wreaths

  = (9 n ) + (20 (3/5)n) = 9n + 12n = 21n

Step-by-step explanation:

i) there are n noodles in a necklace

ii) there are 9 necklaces

iii) therefore the number of noodles used to make the nine necklaces = 9 n = 9n

iv) there are 3/5 noodles in a wreath

v) there are 20 wreaths

vi) therefore the number of noodles used to make the nine necklaces

     = 20 (3/5)n = 12n

vii) the expression that shows the number of noodles Julia uses to make 9 necklaces and 20 wreaths

  = (9 n ) + (20 (3/5)n) = 9n + 12n = 21n

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